# Lead Full-Stack Engineer (all genders) | Customer Experience at Kaufland e-commerce

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Own complex technical dependencies acros

- **Company:** Kaufland e-commerce (https://jobs.trythestack.co/companies/kaufland-e-commerce)
- **Location:** Germany
- **Work arrangement:** On-site
- **Employment type:** Permanent
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Node.js, Vue.js, TypeScript, PHP, System integration, Performance optimization, Datadog, Server-side rendering, Microservices, API development, Infrastructure management, A/B testing, Technical mentorship, Debugging, Monitoring, Deployment
- **Posted by employer:** 2026-03-05
- **Added to The Stack:** 2026-08-14
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://real-digital.jobs.personio.com/job/2501520/apply (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/lead-full-stack-engineer-all-genders-customer-experience-kaufland-e-commerce

## About the role

Responsibilities:
- Own complex technical dependencies across the system landscape and reduce integration friction.
- Develop and maintain high-performance web applications using Node.js and Vue.js (TypeScript preferred).
- Design, implement and operate scalable microservices and server-side rendering (SSR) solutions for improved UX.
- Continuously identify and resolve performance bottlenecks across frontend and backend systems.
- Integrate and operate monitoring and observability (e.g., Datadog) to ensure reliability and fast incident response.
- Provide technical leadership and mentorship, review designs and guide cross-functional teams on best practices.
- Support experimentation workflows (A/B testing) and high-iteration validation where relevant.

Requirements:
- ~9+ years of engineering experience solving diverse problems across frontend, backend and infrastructure.
- Strong expertise in TypeScript and Vue.js (or equivalent modern frontend frameworks) and solid backend experience in Node.js or PHP.
- Proven operational skills: testing, debugging, monitoring, deployment and running production services.
- Experience with SSR, microservices design, APIs and performance optimization.
- Familiarity with observability tools (Datadog) and deployment pipelines.
- Comfortable mentoring others, driving technical decisions and working in an international, cross-functional environment.
- Fluent English (C1) and a proactive, ownership-driven communication style.

## Responsibilities

You will independently handle complex technical dependencies and develop scalable web applications using Node.js and Vue.js. Additionally, you will design microservices, manage system monitoring, and provide technical mentorship to cross-functional teams.

## Requirements

The role requires 9+ years of engineering experience with deep expertise in TypeScript, Vue.js, and backend development in Node.js or PHP. Candidates must demonstrate operational excellence in testing, monitoring, and deployment, along with strong communication skills in English.

## FAQ

- **Is this Lead Full-Stack Engineer (all genders) | Customer Experience role still open?** It was posted on 2026-03-05. Listings more than 30 days old may no longer be active, so check Kaufland e-commerce's site before applying.
- **Does Kaufland e-commerce offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Kaufland e-commerce's site.
- **Where is this role located?** The listing gives the location as Germany. It is marked on-site.
- **What skills does this role ask for?** The listing names: Node.js, Vue.js, TypeScript, PHP, System integration, Performance optimization, Datadog, Server-side rendering, Microservices, API development, Infrastructure management, A/B testing, Technical mentorship, Debugging, Monitoring, Deployment.

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## Notes for agents

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